constructor Overloading: Person class

In this problem, you will create a program that defines two constructors in a Person class (one with no arguments and one with arguments), instantiates objects using each constructor, and displays the information to standard output.

Learning Objective: Understand how to define multiple constructors with different arguments

Define two constructors in Person class: one with no arguments and one with arguments. Choose the appropriate constructor based on situation.

Input

Line 1: Name (string)
Line 2: Age (integer)

Output

Default: Unknown, 0 years
Custom: [name], [age] years